public JsQueueSubscriber(int id, int msgCount, IJetStream js, IJetStreamPushSyncSubscription sub, InterlockedLong allReceived) { this.id = id; this.msgCount = msgCount; this.sub = sub; this.allReceived = allReceived; received = 0; datas = new List <string>(); }
public static void Main(string[] args) { ArgumentHelper helper = new ArgumentHelperBuilder("NATS JetStream Push Subscribe Queue Durable", args, Usage) .DefaultStream("qdur-stream") .DefaultSubject("qdur-subject") .DefaultQueue("qdur-queue") .DefaultDurable("qdur-durable") .DefaultDeliverSubject("qdur-deliver") .DefaultCount(100) .DefaultSubsCount(5) .Build(); try { using (IConnection c = new ConnectionFactory().CreateConnection(helper.MakeOptions())) { // Create a JetStreamManagement context. IJetStreamManagement jsm = c.CreateJetStreamManagementContext(); // Use the utility to create a stream stored in memory. JsUtils.CreateStreamExitWhenExists(jsm, helper.Stream, helper.Subject); IJetStream js = c.CreateJetStreamContext(); Console.WriteLine(); // create the consumer ahead of time ConsumerConfiguration cc = ConsumerConfiguration.Builder() .WithDurable(helper.Durable) .WithDeliverSubject(helper.DeliverSubject) .WithDeliverGroup(helper.Queue) .Build(); jsm.AddOrUpdateConsumer(helper.Stream, cc); // we will just bind to that consumer PushSubscribeOptions pso = PushSubscribeOptions.BindTo(helper.Stream, helper.Durable); InterlockedLong allReceived = new InterlockedLong(); IList <JsQueueSubscriber> subscribers = new List <JsQueueSubscriber>(); IList <Thread> subThreads = new List <Thread>(); for (int id = 1; id <= helper.SubsCount; id++) { // setup the subscription IJetStreamPushSyncSubscription sub = js.PushSubscribeSync(helper.Subject, helper.Queue, pso); // create and track the runnable JsQueueSubscriber qs = new JsQueueSubscriber(id, 100, js, sub, allReceived); subscribers.Add(qs); // create, track and start the thread Thread t = new Thread(qs.Run); subThreads.Add(t); t.Start(); } c.Flush(500); // flush outgoing communication with/to the server // create and start the publishing Thread pubThread = new Thread(() => { for (int x = 1; x <= helper.Count; x++) { js.Publish(helper.Subject, Encoding.ASCII.GetBytes("Data # " + x)); } }); pubThread.Start(); // wait for all threads to finish pubThread.Join(10000); foreach (Thread t in subThreads) { t.Join(10000); } foreach (JsQueueSubscriber qs in subscribers) { qs.Report(); } Console.WriteLine(); // delete the stream since we are done with it. jsm.DeleteStream(helper.Stream); } } catch (Exception ex) { helper.ReportException(ex); } }